Related Clues:

• Get sleepy-eyed
• Nodder's phrase
• "Oh"
• ''Got it!''
• Exclamation after an explanation
• Affirmation of a sort
• 'O-o-oh!'
• "Oh, okay"
• ''Uh-huh''
• Acknowledging expression
• Sleepytime land
• Indicate assent
• Show agreement silently
• 'Ah so!'
• "That's the way it's gonna be then, eh?"